havering vs precarious

havering

adj
  • Hesitant; indecisive. 

  • Long-winded 

noun
  • Indecision, indecisive behaviour. 

precarious

adj
  • Dangerously insecure or unstable; perilous. 

  • Relating to incipient caries. 

  • Depending on the intention of another. 

How often have the words havering and precarious occurred in a corpus of books? (source: Google Ngram Viewer )